15110620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{907}}^1$

素因数の和:947

約数の個数: 72

約数和(自身を含む): 39127536

約数和(自身を除く): 24016916

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 907, 980, 1190, 1666, 1814, 2380, 3332, 3628, 4165, 4535, 6349, 8330, 9070, 12698, 15419, 16660, 18140, 25396, 30838, 31745, 44443, 61676, 63490, 77095, 88886, 107933, 126980, 154190, 177772, 215866, 222215, 308380, 431732, 444430, 539665, 755531, 888860, 1079330, 1511062, 2158660, 3022124, 3777655, 7555310, 15110620]

約数ペア:

[(1, 15110620), (2, 7555310), (4, 3777655), (5, 3022124), (7, 2158660), (10, 1511062), (14, 1079330), (17, 888860), (20, 755531), (28, 539665), (34, 444430), (35, 431732), (49, 308380), (68, 222215), (70, 215866), (85, 177772), (98, 154190), (119, 126980), (140, 107933), (170, 88886), (196, 77095), (238, 63490), (245, 61676), (340, 44443), (476, 31745), (490, 30838), (595, 25396), (833, 18140), (907, 16660), (980, 15419), (1190, 12698), (1666, 9070), (1814, 8330), (2380, 6349), (3332, 4535), (3628, 4165)]